<div class="preview-widget-layout--container">
    <!--按钮-->
    <app-button-widget></app-button-widget>
    <!--步骤条-->
    <app-progress-steps-widget></app-progress-steps-widget>
    <!--简单筛选-->
    <app-simple-filter-widget></app-simple-filter-widget>
    <!--进度条-->
    <app-progress-widget></app-progress-widget>
</div>
